| Index | Maple Valley | Washington | National | 
| Income per capita | $43,234 | $32,999 | $29,829 | 
| Median household income | $117,706 | $62,848 | $55,322 | 
| Median income owner occupied | $124,763 | $79,796 | $70,586 | 
| Median income renter occupied | $83,627 | $41,061 | $35,192 | 
| Median earnings male | $77,773 | $41,953 | $36,919 | 
| Median earnings female | $40,584 | $27,576 | $26,250 | 
| Unemployment rate | 4.2% | 4.3% | 4.7% | 
| Poverty level | 4.4% | 12.7% | 15.1% | 

 
				
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				| Labour Type | Male | Female | 
| Construction industry | 10.3% | 10.3% | 
| Manufacturing sector | 15.7% | 15.7% | 
| Financial & insurance services | 3.6% | 3.6% | 
| Wholesale & retail services | 15.9% | 15.9% | 
| Public administration | 8.1% | 8.1% | 
| Transportation, warehousing & utilities | 7.6% | 7.6% | 
| Education, health & social services | 9.9% | 9.9% | 
| Other | 25.9% | 25.9% | 
| City | Population | Household Income | National Avg. | 
| Snoqualmie, WA | 13,550 | $159,450 | 188.2% | 
| Newcastle, WA | 12,078 | $155,933 | 181.9% | 
| Mercer Island, WA | 25,820 | $150,506 | 172.1% | 
| Tanner, WA | 1,090 | $131,875 | 138.4% | 
| Mirrormont, WA | 4,102 | $131,509 | 137.7% | 
| Maple Valley, WA | 26,739 | $117,706 | 112.8% | 
| City | Population | Household Income | National Avg. | 
| Lemon Grove, CA | 26,739 | $66,953 | 21.0% | 
| Sanger, CA | 26,744 | $52,349 | 5.4% | 
| Twentynine Palms, CA | 26,748 | $42,959 | 22.3% | 
| Xenia, OH | 26,751 | $46,202 | 16.5% | 
| Chaska, MN | 26,753 | $90,161 | 63.0% | 
| Maple Valley, WA | 26,739 | $117,706 | 112.8% |